They are part of old English measurements.
Pecks are an old English measurement for dry mass ie flour or grain or Liquid. It is equivalent to 8 quarts . The American peck is slightly different due to the difference in quarts size in comparison to the imperial quart. Look at PECK in the Encyclopedia Britannica online for a full write up
Pecks are units of volume, metric tons are units of mass, they can't be compared directly. We should know a density of items in pecks to calculate mass of 1 peck and then compare it to metric tons.
Bushels are a unit of measurement in the English system, not the metric system.
Metric to English conversion is a good thing to practice.
English: pound. Metric: kilogram.
metric
A meter is metric.
There are four pecks to the bushel. You can do the rest. Pkkao says that the answer is 12.
English
the 2 kinds of mesurement are english-metric & metric-english
The english system is the metric system. There is no difference.
The teaspoon measurement is commonly used in both the metric and English systems. In the metric system, a teaspoon is equivalent to 5 milliliters, while in the English system it is equal to about 4.9 milliliters.
The bird pecks the egg.